From the mother through the placenta
Urban people change their environment through their consumption of food, energy, water, and land. And in turn, the polluted urban environment affects the health and quality of life of the urban population. ... For example, urban populations consume much more food, energy, and durable goods than rural populations.
Answer:
B) All DNA molecules will migrate up the gel toward the positive electrode.
Explanation:
Because the DNA has a negative charge - regardless the size-, all DNA molecules will migrate towards the positive electrode, at the top of the gel. This is due to the Coulomb's physic law "force of the interaction between the charges is attractive if the charges have opposite signs".
Instead of migrate down the gel , the DNA will do migrate up the gel (opposite direction).
You can reduce the levels of matter pollution by reducing the amount of particulate matter produced through smoke and by reducing vehicle emissions. Reduce the amount of particulate matter produced through any types of smoke.
Answer:
insolation
Explanation:
insolation is the incident solar radiation onto some objects
